﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace winfromTest0003
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        public static Dictionary<string, string> users = new Dictionary<string, string>();
        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
          

            var uid = userId.Text;
            var pwd = userPassword.Text;

            var usr = users.Where(x => x.Key == uid && x.Value == pwd)
                .Select(x => new { key = x.Key, value = x.Value }).FirstOrDefault();//返回新的匿名特性

            if (usr != null)
            {
                MessageBox.Show("登陆成功！");
                LoginSuccess loginSuccess = new LoginSuccess();
                this.Hide();
                loginSuccess.Show();
            }
            else
            {
                MessageBox.Show("账号或密码错误，请重新登陆或注册账号！");
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            var uid = userId.Text;
            var pwd = userPassword.Text;
            //var rePwd = succPassword.Text;

            var hasUid = !string.IsNullOrEmpty(uid);
            var hasPwd = !string.IsNullOrEmpty(pwd);
            

            if (hasUid && hasPwd)
            {
                MessageBox.Show("注册成功！");

                Form1.users.Add(uid, pwd);


                Close();
            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            var conString = "server=.;database = Admin001;uid = sa;pwd = cultural0725.";

            SqlConnection sqlConnection = new SqlConnection(conString);

            var dt = string.Format("select * from Users Where Users");

            SqlCommand command = new SqlCommand(dt, sqlConnection);

            SqlDataAdapter dataAdapter = new SqlDataAdapter();

            dataAdapter.SelectCommand = command;

            DataTable table = new DataTable();

            sqlConnection.Open();

            dataAdapter.Fill(table);




        }
    }
}
